Inventors-Carver, Bell, Edison & Wright Brothers

How did Edison's phonograph capture sound?

• On magnetic tape

• On flat plastic discs

• As bits of digital information

• On wax cylinders covered with tinfoil

How was the telegraph different from the telephone?

• The telephone could both send and receive information; the telegraph could only receive information.

• The telephone could transmit information over long distances; the telegraph only worked over short distances.

• The telephone could transmit a human voice; the telegraph could only transmit electric pulses.

• The telegraph needed wires to transmit messages; the telephone was originally a wireless device.

Place these events in sequence:

A) Edison invents the phonograph;

B) Edison begins his power company;

C) Edison moves to New Jersey

• C, B, A

• A, C, B

• A, B, C

• C, A, B

What was new about Edison's power distribution system?

• It generated power at a central station and distributed it to homes and businesses through wires.

• It provided power to people's homes and businesses without wires.

• It provided power to remote rural farm areas.

• It allowed every home to have its own telegraph machine.

Which of the following statements is an opinion about Thomas Edison?

• Edison invented the phonograph.

• Edison had the most brilliant mind of the 19th Century.

• Edison was hard of hearing.

• A rest stop on the New Jersey Turnpike is named after Thomas Edison.

What caused Alexander Graham Bell to become interested in the science of sound?

• He enjoyed listening to music.

• His mother and wife were both deaf.

• He was a professional musician.

• He thought he could make a lot of money by studying sound.

What invention is Alexander Graham Bell most known for?

• Telephone

• Steam engine

• Camera

• Telegraph

What were the first words spoken over the telephone?

• Hello, who's there?

• This is a test.

• Mr. Watson, come here, I want to see you.

• What's your favorite color?

According to Ducksters, Bell's metal detector was used to try and find a bullet inside of what U.S. President?

• Grover Cleveland

• Benjamin Harrison

• James Garfield

• Abraham Lincoln

What invention by Alexander Graham Bell would have helped ships like the Titanic crossing the Atlantic Ocean?

• A GPS location device

• A radio phone

• A device to help locate icebergs

• A telescope to see far away